<?php

/* SVN FILE: $Id$ */
/**
 * SassContentNode class file.
 * @author      Richard Lyon
 * @copyright   Copyright (c) 2010 PBM Web Development
 * @license      http://phamlp.googlecode.com/files/license.txt
 * @package      PHamlP
 * @subpackage  Sass.tree
 */

/**
 * SassContentNode class.
 * Represents a Content.
 * @package      PHamlP
 * @subpackage  Sass.tree
 */
class SassContentNode extends SassNode
{

    const MATCH = '/^(@content)(.*)$/i';
    const IDENTIFIER = 1;

    /**
     * @var statement to execute and return
     */
    private $statement;

    /**
     * SassContentNode constructor.
     * @param object source token
     * @return SassContentNode
     */
    public function __construct($token)
    {
        parent::__construct($token);
        preg_match(self::MATCH, $token->source, $matches);

        if (empty($matches)) {
            return new SassBoolean('false');
        }
    }

    /**
     * Parse this node.
     * Set passed arguments and any optional arguments not passed to their
     * defaults, then render the children of the return definition.
     * @param SassContext the context in which this node is parsed
     * @return array the parsed node
     */
    public function parse($pcontext)
    {
        $return = $this;
        $context = new SassContext($pcontext);
        return ($context->getContent());
    }

    /**
     * Contents a value indicating if the token represents this type of node.
     * @param object token
     * @return boolean true if the token represents this type of node, false if not
     */
    public static function isa($token)
    {
        return $token->source[0] === self::NODE_IDENTIFIER;
    }

}
